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[ahau <saerdnah@xxxxxxxx>]

Public bug reported:

Shutdown does not halt on my Dell Precision 390
the shutdown sequence prints on the console:

mount: / is busy

/etc/init.d/sendsigs does not terminate systemd-udevd

Only solution: enable and use ALT-SYSREQ REISUB (to keep the root fs
clean)

I tried to change GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub  (+
update-grub):

GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash reboot=pci"  or
GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash reboot=bios" or
GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash acpi=force

Shutdown still hangs with 'mount: / is busy'
I even updated the BIOS from 2.0.4 to 2.06, no luck.

When booting from a Knoppix 6.0.1 CD with a 2.6 kernel,  shutdown works
and halts the system to poweroff state.

Any ideas?

Thanks
  ahau

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: pm-utils 1.4.1-13ubuntu0.1
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.4
Architecture: amd64
Date: Sun Sep 21 02:58:10 2014
ExecutablePath: /usr/lib/pm-utils/power.d/pci_devices
InstallationDate: Installed on 2014-09-19 (1 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
InterpreterPath: /bin/dash
OmitPids: 11761 308 302 11767 723 714 11890 11767 723 714 11890
PackageArchitecture: all
ProcCmdline: /bin/sh /usr/lib/pm-utils/power.d/pci_devices false
ProcEnviron:
 LC_COLLATE=C
 PATH=(custom, no user)
SourcePackage: pm-utils
Title: pci_devices does not terminate at computer shutdown
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: pm-utils (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug shutdown-hang trusty

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https://bugs.launchpad.net/bugs/1372006

Title:
  pci_devices does not terminate at computer shutdown

Status in “pm-utils” package in Ubuntu:
  New

Bug description:
  Shutdown does not halt on my Dell Precision 390
  the shutdown sequence prints on the console:

  mount: / is busy

  /etc/init.d/sendsigs does not terminate systemd-udevd

  Only solution: enable and use ALT-SYSREQ REISUB (to keep the root fs
  clean)

  I tried to change GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub  (+
  update-grub):

  GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash reboot=pci"  or
  GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash reboot=bios" or
  GRUB_CMDLINE_LINUX_DEFAULT="quiet nosplash acpi=force

  Shutdown still hangs with 'mount: / is busy'
  I even updated the BIOS from 2.0.4 to 2.06, no luck.

  When booting from a Knoppix 6.0.1 CD with a 2.6 kernel,  shutdown
  works and halts the system to poweroff state.

  Any ideas?

  Thanks
    ahau

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: pm-utils 1.4.1-13ubuntu0.1
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  Date: Sun Sep 21 02:58:10 2014
  ExecutablePath: /usr/lib/pm-utils/power.d/pci_devices
  InstallationDate: Installed on 2014-09-19 (1 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  InterpreterPath: /bin/dash
  OmitPids: 11761 308 302 11767 723 714 11890 11767 723 714 11890
  PackageArchitecture: all
  ProcCmdline: /bin/sh /usr/lib/pm-utils/power.d/pci_devices false
  ProcEnviron:
   LC_COLLATE=C
   PATH=(custom, no user)
  SourcePackage: pm-utils
  Title: pci_devices does not terminate at computer shutdown
  UpgradeStatus: No upgrade log present (probably fresh install)

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